studia.dk

📜 Historical scan 2026-06-26 12:05:44 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

studia.dk is a .dk domain served by 4 nameservers (ns1045.ui-dns.biz, ns1045.ui-dns.com, ns1045.ui-dns.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.154.18.50 is hosted by IONOS SE (AS8560) in France. Mail is handled by mail.studia.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

4 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1045.ui-dns.biz	2001:8d8:fe:53:0:d9a0:512d:100 217.160.81.45	ns1045.ui-dns.biz ns1045.ui-dns.biz	AS8560 IONOS SE AS8560 IONOS SE
ns1045.ui-dns.com	2001:8d8:fe:53:0:d9a0:522d:100 217.160.82.45	ns1045.ui-dns.com ns1045.ui-dns.com	AS8560 IONOS SE AS8560 IONOS SE
ns1045.ui-dns.de	2001:8d8:fe:53:0:d9a0:502d:100 217.160.80.45	ns1045.ui-dns.de ns1045.ui-dns.de	AS8560 IONOS SE AS8560 IONOS SE
ns1045.ui-dns.org	2001:8d8:fe:53:0:d9a0:532d:100 217.160.83.45	ns1045.ui-dns.org ns1045.ui-dns.org	AS8560 IONOS SE AS8560 IONOS SE

🌍 A Records#

1 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
217.154.18.50	3600s	ip217-154-18-50.pbiaas.com	AS8560	IONOS SE	217.154.16.0/21	🇫🇷 France	—

📧 MX Records#

1 records 59ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.studia.dk	217.154.18.50	ip217-154-18-50.pbiaas.com	AS8560 IONOS SE

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 107ms

Service	Priority	Weight	Port	Target
_imaps._tcp	10	0	993	studia.dk

📝 TXT Records#

2 records 315ms

TXT Record
google-site-verification=R2R81HioUyBzcq4vZoPqx726WaV66PLScTJANgVxvpg
v=spf1 a mx ip4:217.154.18.50 include:_spf-eu.ionos.com ~all

✉️ SPF#

Policy	Record (studia.dk)
~all (soft fail)	v=spf1 a mx ip4:217.154.18.50 include:_spf-eu.ionos.com ~all

📨 DMARC#

Policy	Record (_dmarc.studia.dk)
p=none (monitor only)	v=DMARC1;p=none;pct=100;ri=86400;fo=1;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 07:12:02

www CNAME	studia.dk (all on studia.dk) → 217.154.18.50 (AS8560)
www vs bare domain	Same network studia.dk: 217.154.18.50 (AS8560) www.studia.dk: 217.154.18.50 (AS8560)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.studia.dk	ZE6QlRtjj-FNlYOtD1os5whdyt2pGccKzMU4FwpgKVY

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

81ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

58ms

Field	Value
Serial	2017060149
Primary NS (MNAME)	ns1045.ui-dns.com
Responsible (RNAME)	hostmaster@1und1.com
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	600s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

61ms

64ms

59ms

AAAA

59ms

TXT

315ms

CAA

58ms

HTTPS

57ms

TLSA

104ms

SOA

58ms

MTA-STS

77ms

DNSSEC

81ms

SRV

107ms

Total

921ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 16:52:31	574ms	4 NS 1 A 1 MX	🔓 Insecure
2026-09-24 13:01:18	2528ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-26 12:05:44 shown	921ms	4 NS 1 A 1 MX	🔓 Insecure
2026-06-22 20:19:05	1036ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 20:37:33	836ms	4 NS 1 A 1 MX	🔓 Insecure